com.smartgwt.client.widgets.grid.events

## Interface HasRegroupHandlers

- All Superinterfaces:
    com.google.gwt.event.shared.HasHandlers
  All Known Implementing Classes:
    CalendarView, CubeGrid, DateGrid, EditTree, ListGrid, ListPalette, Menu, MenuPalette, PickListMenu, RecordEditor, SelectionTreeMenu, TableView, TreeGrid, TreePalette

      public interface HasRegroupHandlers
      extends com.google.gwt.event.shared.HasHandlers

- - ### Method Summary

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method and Description
    --- | ---
    `com.google.gwt.event.shared.HandlerRegistration` | `addRegroupHandler(RegroupHandler handler)` Callback fired when a regroup operation is begun, either from a direct call to `regroup()`, or because of `data arriving from the server` when the grid is already `grouped`.

    - ### Methods inherited from interface com.google.gwt.event.shared.HasHandlers

      `fireEvent`

- - ### Method Detail

    - #### addRegroupHandler

          com.google.gwt.event.shared.HandlerRegistration addRegroupHandler(RegroupHandler handler)

      Callback fired when a regroup operation is begun, either from a direct call to `regroup()`, or because of `data arriving from the server` when the grid is already `grouped`.

      After this call, the Framework should eventually call `ListGrid.groupTreeChanged()`.

      Parameters:
        `handler` - the regroup handler
      Returns:
        `HandlerRegistration` used to remove this handler